CN211359562U

CN211359562U - Environment-friendly sand screening machine

Info

Publication number: CN211359562U
Application number: CN201922243211.9U
Authority: CN
Inventors: 朱春明; 沈振华; 朱建华
Original assignee: Zhangjiagang Songxin New Building Materials Co ltd
Current assignee: Zhangjiagang Songxin New Building Materials Co ltd
Priority date: 2019-12-14
Filing date: 2019-12-14
Publication date: 2020-08-28
Anticipated expiration: 2029-12-14

Abstract

The utility model relates to an environmental protection sand screening machine, which comprises a case, the top of the case is provided with a feed inlet, the bottom of the side wall of the case is provided with a discharge outlet, the inner wall of the case is provided with a placing plate, the placing plate is fixedly connected with a supporting spring in the vertical direction, the supporting spring is provided with a plurality of supporting springs, the top end of the supporting spring is provided with a sand screening plate, the sand screening plate is horizontally arranged, the sand screening plate comprises a frame fixedly connected with the top end of the supporting spring and a screen cloth arranged on the frame, the lower surface of the screen cloth is connected with a plurality of vibrating motors, the bottom of the case is provided with a collecting tank, the vertical side wall of the collecting tank is the same as; the case is also provided with a plurality of dust suction devices. The utility model discloses a set up a plurality of dust extraction of group, can absorb the raise dust that the screening process produced, have the effect that reduces the pollution of raise dust to the environment, environmental protection.

Description

Environment-friendly sand screening machine

Technical Field

The utility model belongs to the technical field of the technique of screening husky equipment and specifically relates to an environmental protection screening sand machine is related to.

Background

Dry-mixed mortar is a granular or powdery material prepared by physically mixing dry-screened aggregate (such as quartz sand), inorganic cementing material (such as cement), additive (such as polymer) and the like according to a certain proportion, and is usually transported to a construction site in a bag or in bulk form, and the dry-mixed mortar can be directly used after being mixed with water. The purpose of screening treatment of the aggregate is to screen and remove impurities such as cobblestones with large volume in the aggregate from the aggregate, and a sand screening machine is needed when the aggregate is screened.

Chinese patent with publication number CN206184753U discloses a sand sieving machine, including support, vibrating motor, screen frame and supporting spring, the screen frame is fixed on the support through a plurality of supporting spring, be equipped with the filter screen that is used for filtering gravel and sand on the screen frame, vibrating motor sets up on the screen frame, the up end slope of support sets up, the screen frame is including fixed frame and the articulated frame of setting in fixed frame, be equipped with the shelving groove that is used for shelving the articulated frame on the up end of fixed frame, the one end of articulated frame is articulated with the one end of fixed frame, the filter screen is fixed on articulated frame, be equipped with the driving motor who is used for driving articulated frame to overturn on the support.

The above prior art solutions have the following drawbacks: because the sand screening machine is exposed in the air for use, impurities such as dust generated in the sand screening process can be directly discharged into the air, and the working site and the environment are polluted.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing an environmental protection screening sand machine can absorb the raise dust that screening sand process produced, has the effect that reduces the pollution of raise dust to the environment, environmental protection.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

an environment-friendly sand screening machine comprises a machine case, wherein a feed inlet is formed in the top of the machine case, a discharge outlet is formed in the bottom of the side wall of the machine case, a placing plate is arranged on the inner wall of the machine case, a plurality of supporting springs in the vertical direction are fixedly connected to the placing plate, a sand screening plate is arranged at the top end of each supporting spring and horizontally arranged, the sand screening plate comprises a frame and a screen, the frame is fixedly connected with the top end of each supporting spring, the screen is arranged on the frame, a plurality of vibrating motors are connected to the lower surface of the screen, a collecting tank is arranged at the bottom of the machine case, the vertical side wall of the collecting tank is the same as the discharge outlet in size and is located in the discharge outlet, and a first; the case is also provided with a plurality of dust suction devices.

Through adopting above-mentioned technical scheme, during the use, add the aggregate to the feed inlet, the aggregate falls and piles up on the sieve sand board, start vibrating motor and dust extraction, thereby vibrating motor vibrates and drives the sieve sand board vibration and realize the screening to the aggregate, supporting spring plays the cushioning effect, the great impurity of volume can't pass the sieve sand board and stay on the sieve sand board in the aggregate, the aggregate of being selected falls into the collecting vat of quick-witted case below and collects, staff can stimulate the handle and pull out the collecting vat from the machine incasement, be convenient for clear away the aggregate of being selected from the collecting vat. When the screening process is carried out, the dust collection device is also in operation, the dust generated by the dust collection device during screening is absorbed away, the dust directly entering the air is reduced, and the environment is protected.

The present invention may be further configured in a preferred embodiment as: the dust collection device comprises a dust collection pipe communicated with the case, a negative pressure pump connected with one end of the dust collection pipe far away from the case, and a collection box connected with an air outlet of the negative pressure pump, wherein one end of the dust collection pipe connected with the case is positioned above the sand sieving plate.

Through adopting above-mentioned technical scheme, when starting vibrating motor, start the negative pressure pump, the negative pressure pump provides suction for dust extraction, and the raise dust that produces because of the screening is inhaled by the dust absorption pipe in the machine case to through the negative pressure pump finally get into to collect and store in the case, realize the collection to the raise dust, reduce the quantity of the raise dust that directly discharges in the air, play the effect of environmental protection.

The present invention may be further configured in a preferred embodiment as: the dust collection device is characterized in that a dust collection branch pipe is connected to the dust collection pipe, and one end, far away from the dust collection pipe, of the dust collection branch pipe is communicated with the case and is located below the sand sieving plate.

Through adopting above-mentioned technical scheme, the aggregate also can produce certain raise dust passing the in-process that the sieve sand board falls, and dust absorption branch pipe set up the quantity that has increased the dust absorption point and also pulled in the distance that dust absorption point and raise dust produced the point simultaneously, and the dust extraction of being convenient for is to the absorption of smoke and dust, has improved dust extraction's dust collection efficiency and dust collection effect.

The present invention may be further configured in a preferred embodiment as: the dust collection device is characterized in that dust collection covers are arranged at the ends, connected with the case, of the dust collection pipes and the dust collection branch pipes, the dust collection covers are horn-shaped, and the dust collection covers are located in the case.

By adopting the technical scheme, the horn-shaped dust hood increases the dust collection range of the dust collection pipe and the dust collection branch pipe, and further improves the dust collection efficiency and the dust collection effect of the dust collection device.

The present invention may be further configured in a preferred embodiment as: and a protective layer is arranged on the surface of the frame, which is attached to the inner wall of the case.

Through adopting above-mentioned technical scheme, vibrating motor is driving the in-process of screening sand board vibration, and screening sand board can rub even the collision with quick-witted incasement wall friction, and the protective layer can separate screening sand board and quick-witted incasement wall to reduce wearing and tearing and buffering collision play the effect of protection screening sand board and quick-witted case.

The present invention may be further configured in a preferred embodiment as: and a sealing ring is arranged at the edge of the discharge port and is clamped between the case and the vertical side wall of the collecting tank.

By adopting the technical scheme, the sealing ring improves the sealing property of the case, reduces the quantity of flying dust flying out of the case and plays a role in protecting the environment.

The present invention may be further configured in a preferred embodiment as: a first protective sleeve is sleeved on the first handle.

Through adopting above-mentioned technical scheme, hand and the direct friction in first leader when first protective sheath can avoid staff's pulling collecting vat play protection staff's effect.

The present invention may be further configured in a preferred embodiment as: the feeding device is characterized in that a sealing cover is arranged on the feeding hole, a second handle is arranged on the upper surface of the sealing cover, a second protective sleeve is sleeved on the second handle, and a plurality of ventilation openings are formed in the sealing cover.

By adopting the technical scheme, the sealing cover is placed on the feed inlet in the screening process, so that the amount of flying dust flying out of the feed inlet can be reduced, and the effect of protecting the environment is achieved; the ventilation opening can ensure the same air pressure inside and outside the case.

The present invention may be further configured in a preferred embodiment as: the vertical side wall of the case is provided with a cleaning door, the cleaning door is positioned above the sand screening plate, and the bottom edge of the cleaning door is flush with the upper surface of the sand screening plate.

Through adopting above-mentioned technical scheme, the staff can open the clearance door and clear up the impurity that is sieved out on to the screening sand board to the screening process after guaranteeing can go on high-efficiently.

To sum up, the utility model discloses a following at least one useful technological effect:

1. by arranging the dust collection device, the dust generated in the screening process can be effectively absorbed, and the effects of reducing the pollution of the dust to the environment and protecting the environment are achieved;

2. through the arrangement of the dust collection branch pipes, the number of dust collection points can be increased, fixed-point effective absorption can be performed on raised dust generation positions, and the effect of improving the absorption efficiency and the absorption effect of the dust collection device is achieved;

3. through the setting of closing cap and sealing washer, can reduce the quantity of the raise dust of following quick-witted incasement and fly out, play and reduce the pollution of raise dust to the environment, the effect of environmental protection.

Drawings

FIG. 1 is a schematic view of the overall structure of an environmental-friendly sand screening machine in the embodiment.

Fig. 2 is an enlarged view of a portion a in fig. 1.

Fig. 3 is a schematic diagram of the internal structure of the chassis.

In the figure, 1, a chassis; 2. a feed inlet; 3. a discharge port; 4. placing the plate; 5. a support spring; 6. screening a sand plate; 61. a frame; 62. screening a screen; 7. a vibration motor; 8. collecting tank; 9. a first handle; 10. a dust collection device; 101. a dust collection pipe; 102. a negative pressure pump; 103. a collection box; 11. a dust collection branch pipe; 12. a dust hood; 13. a protective layer; 14. a seal ring; 15. a first protective sheath; 16. sealing the cover; 17. a second handle; 18. a second protective cover; 19. a vent; 20. and (6) cleaning the door.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 3, for the utility model discloses an environmental protection sand sieving machine, including quick-witted case 1, feed inlet 2 has been seted up at quick-witted case 1's top, and feed inlet 2 is for leaking hopper-shaped, and the aggregate of being convenient for enters into quick-witted case 1 from feed inlet 2 in, and discharge gate 3 has been seted up to the bottom of quick-witted case 1 lateral wall. Inner wall welding of quick-witted case 1 places board 4, the last skin weld who places board 4 has supporting spring 5, supporting spring 5 is vertical to be set up, supporting spring 5 is equipped with a plurality ofly and is placing evenly distributed on board 4, supporting spring 5's top is equipped with the screening sand board 6 that is used for screening sand, screening sand board 6 includes the frame and sets up the screen cloth 62 on the frame, the lower surface of frame and supporting spring 5's top welding, be equipped with four connecting plates on the screen cloth 62, the equal bolted connection of the lower surface of every connecting plate has vibrating motor 7, the bottom of quick-witted case 1 is equipped with collecting vat 8, collecting vat 8 and quick-witted case 1's inner wall laminating, a vertical lateral wall of collecting vat 8 is the same with the size of discharge gate 3 and is located discharge gate 3, the outer skin weld of the vertical lateral wall that collecting vat 8 is located discharge gate 3 has the handle, so. In addition, two sets of dust suction devices 10 for absorbing the raised dust are further arranged on the vertical side wall of the case 1, and the two sets of dust suction devices 10 are arranged oppositely, so that the dust absorption effect can be improved.

Referring to fig. 1 and 3, during the use, add the aggregate to quick-witted case 1 from feed inlet 2 in, the aggregate falls on sieve sand board 6, start vibrating motor 7, vibrating motor 7 drives sieve sand originally vibration together thereby realize the screening to the aggregate, supporting spring 5 plays the cushioning effect, the great impurity of volume can't pass screen cloth 62 and stay sieve sand board 6 top in the aggregate, the aggregate of being selected passes screen cloth 62 and falls into collection groove 8 in, after waiting to collect more aggregate in collection groove 8, the staff can stimulate first in command 9 will pull out collecting vat 8 from quick-witted case 1 through discharge gate 3, then pour the aggregate in the collecting vat 8 and put back collecting vat 8 in quick-witted case 1. When the process is carried out, the dust collection device 10 is started, the dust collection device 10 can absorb the raised dust generated during screening, the amount of the raised dust discharged into the air is reduced, and the environment is protected.

Referring to fig. 1, a first protective sheath 15 is sleeved on the first handle 9, the first protective sheath 15 is adhered to the surface of the first handle 9, and the first protective sheath 15 is a rubber layer. The first protection sleeve 15 prevents hands of workers from directly contacting the first handle 9, friction of the first handle 9 to the hands of the workers in the pulling collecting groove 8 can be reduced, and the effect of protecting the hands of the workers is achieved.

Referring to fig. 1, the dust suction apparatus 10 includes a dust suction pipe 101, a negative pressure pump 102, and a collection tank 103. One end of the dust suction pipe 101 is communicated with the case 1, the other end of the dust suction pipe is connected with an air inlet of the negative pressure pump 102, one end of the dust suction pipe 101, which is connected with the case 1, is positioned above the sand sieving plate 6, and the collection box 103 is connected with an air outlet of the negative pressure pump 102. When the screening process goes on, start negative pressure pump 102, negative pressure pump 102 provides suction for dust extraction 10, and the raise dust that the screening in-process produced can be inhaled in dust absorption pipe 101, and the raise dust finally gets into collection box 103 through dust absorption pipe 101 and negative pressure pump 102 in, accomplishes the absorption to the raise dust, plays the effect of environmental protection.

Referring to fig. 3, the screened aggregates may also generate dust in the process of falling through the sand screening plate 6, in order to perform fixed-point absorption on the dust generated in the process, a dust suction branch pipe 11 is connected to the dust suction pipe 101, and a first end of the dust suction branch pipe 11, which is far away from the dust suction pipe 101, is communicated with the chassis 1 and is located below the sand screening plate 6. The arrangement of the dust collection branch pipes 11 increases the number of dust collection points, so that the working efficiency of the dust collection device 10 can be improved; in addition, since the opening of the dust suction branch pipe 11 faces the dust generation place, the working efficiency of the dust suction device 10 is further improved.

Referring to fig. 3, a trumpet-shaped dust hood 12 is welded to one end of the dust suction pipe 101 and the dust suction branch pipe 11 connected to the cabinet 1, and the dust hood 12 is located in the cabinet 1. The trumpet-shaped dust hood 12 enlarges the air suction range of the dust suction pipe 101 and the dust suction branch pipe 11, and can effectively improve the dust suction efficiency of the dust suction device 10.

Referring to fig. 3, in the screening process, when the screening sand plate 6 vibrates along with the vibration motor 7, the frame 61 may rub and collide with the inner wall of the case 1, so that the frame 61 and the case 1 may be easily worn for a long time, and even the screening sand plate 6 may be damaged in a severe case. In order to protect the sand screening plate 6 and the case 1, the protective layer 13 is bonded on the side face of the frame 61 attached to the inner wall of the case 1, the protective layer 13 is a rubber layer, the protective layer 13 avoids direct contact between the frame 61 and the inner wall of the case 1, friction between the frame 61 and the inner wall of the case 1 in the vibration process can be reduced, and meanwhile, the protective layer 13 can also play a role in buffering collision between the frame 61 and the inner wall of the case 1.

With reference to fig. 1 and 2, in order to reduce the amount of airborne dust that flies out of the casing 1 into the air, a sealing ring 14 is provided at the edge of the outlet 3, the sealing ring 14 being sandwiched between the casing 1 and the vertical side wall of the collecting gutter 8. The sealing ring 14 improves the sealing performance of the case 1, can effectively reduce the flying-out of the case 1, and plays a role in protecting the environment.

Referring to fig. 1, in order to further improve the sealing performance of the cabinet 1, a sealing cover 16 is arranged above the feeding port 2, a second handle 17 is welded to the upper surface of the sealing cover 16, a second protective layer is sleeved on the second handle 17, and the second protective layer is adhered to the surface of the second handle 17 and attached to the surface of the second handle 17. In the screening process, workers cover the sealing cover 16 on the surface of the feed inlet 2, so that the amount of flying dust flying out of the feed inlet 2 is reduced, and the effect of protecting the environment is achieved; the second handle 17 serves to facilitate movement of the closure 16 by the worker; the second protective sleeve 18 can protect the hands of the worker when the worker grasps the second handle 17. In addition, six ventilation openings 19 are formed in the sealing cover 16, and the ventilation openings 19 can ensure that the air pressure inside and outside the case 1 is balanced when the dust collection assembly works, so that the dust collection work is conveniently and normally carried out.

Referring to fig. 1, after the sand screening machine is used for a period of time, the impurities screened in the screening process can be left on the upper surface of the sand screening plate 6, and workers need to clean the impurities regularly to ensure that the subsequent screening can be performed normally. In order to facilitate the removal operation of impurities, a cleaning door 20 is hinged to the vertical side wall of the case 1, the cleaning door 20 is located above the sand screening plate 6, and the bottom edge of the cleaning door 20 is flush with the upper surface of the sand screening plate 6. When impurity needs to be cleaned, the cleaning door 20 is opened by a worker, and the impurity is cleaned by using tools, so that the cleaning tool is convenient and fast.

The implementation principle of the embodiment is as follows: during the use, move closing cap 16 away from feed inlet 2, add the aggregate to quick-witted case 1 in, the aggregate is piled up on screening sand board 6, after finishing filling cover 16 to feed inlet 2 on, start negative pressure pump 102 and vibrating motor 7, vibrating motor 7 drives screening sand board 6 vibration and sieves, impurity can't pass screening sand board 6 and remain at the upper surface of screening sand board 6, the aggregate passes screening sand board 6 and falls into collection box 103 and collects, and simultaneously, negative pressure pump 102 inhales the raise dust that the screening process produced and obtains in dust absorption pipe 101 and dust absorption branch pipe 11, and the raise dust finally gets into collection box 103 and collects.

Through the process, the aggregate is screened and the flying dust generated in the screening process is absorbed, so that the effects of reducing the pollution of the flying dust to the environment and protecting the environment are achieved.

When more aggregate is stored in the collecting tank 8, the worker can pull out the collecting tank 8 from the discharge port 3 to empty the collecting tank and replace the collecting tank 8. After the screening sand machine used a period, the staff can open clearance door 20 and clear up the impurity on screening sand board 6 to place impurity and pile up at screening sand board 6 surface influence screening efficiency.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an environmental protection sand screening machine, includes quick-witted case (1), quick-witted case (1) top is equipped with feed inlet (2), the bottom of machine case (1) lateral wall is equipped with discharge gate (3), its characterized in that: the inner wall of the case (1) is provided with a placing plate (4), the placing plate (4) is fixedly connected with a plurality of supporting springs (5) in the vertical direction, the supporting springs (5) are provided with a plurality of supporting springs, the top end of each supporting spring (5) is provided with a sand screening plate (6), the sand screening plates (6) are horizontally arranged, each sand screening plate (6) comprises a frame (61) fixedly connected with the top end of each supporting spring (5) and a screen (62) arranged on the frame (61), the lower surface of each screen (62) is connected with a plurality of vibrating motors (7), the bottom of the case (1) is provided with a collecting tank (8), the vertical side wall of each collecting tank (8) is the same as the size of the corresponding discharge port (3) and is located in the corresponding discharge port (3), and a first handle (9) is arranged on the vertical side wall of each collecting tank (; the chassis (1) is also provided with a plurality of dust suction devices (10).

2. The environment-friendly sand screening machine as claimed in claim 1, wherein: the dust collection device (10) comprises a dust collection pipe (101) communicated with the case (1), a negative pressure pump (102) connected with one end, far away from the case (1), of the dust collection pipe (101), and a collection box (103) connected with an air outlet of the negative pressure pump (102), wherein one end, connected with the case (1), of the dust collection pipe (101) is located above the sand screening plate (6).

3. The environment-friendly sand screening machine as claimed in claim 2, wherein: dust absorption branch pipe (11) are connected to dust absorption pipe (101), the one end that dust absorption branch pipe (11) kept away from dust absorption pipe (101) communicates with quick-witted case (1) and is located the below of sieve sand board (6).

4. The environment-friendly sand screening machine as claimed in claim 3, wherein: the dust collection device is characterized in that a dust collection cover (12) is arranged at one end of each of the dust collection pipe (101) and the dust collection branch pipe (11) connected with the case (1), the dust collection cover (12) is horn-shaped, and the dust collection cover (12) is located in the case (1).

5. The environment-friendly sand screening machine as claimed in claim 1, wherein: and a protective layer (13) is arranged on the surface of the frame (61) which is attached to the inner wall of the case (1).

6. The environment-friendly sand screening machine as claimed in claim 1, wherein: the edge of discharge gate (3) is equipped with sealing washer (14), sealing washer (14) press from both sides between quick-witted case (1) and the vertical lateral wall of collecting vat (8).

7. The environment-friendly sand screening machine as claimed in claim 1, wherein: a first protective sleeve (15) is sleeved on the first handle (9).

8. The environment-friendly sand screening machine as claimed in claim 1, wherein: be equipped with closing cap (16) on feed inlet (2), the upper surface of closing cap (16) is equipped with second handle (17), the cover is equipped with second protective sheath (18) on second handle (17), be equipped with a plurality of vents (19) on closing cap (16).

9. The environment-friendly sand screening machine as claimed in claim 1, wherein: the vertical side wall of the case (1) is provided with a cleaning door (20), the cleaning door (20) is positioned above the sand screening plate (6), and the bottom edge of the cleaning door (20) is flush with the upper surface of the sand screening plate (6).